KIEL.- Journalists observe coloured plastic waste arranged as mosaic on the floor by British artist Tony Cragg at the Kunsthalle (exhibition space) in Kiel, Germany. The unusual exhibition From Trash to Treasure – Of the value of worthless things in art is open to the public between 04 November 2011 and 05 February 2012 and features 70 contemporary and historical art works from 46 artists. EPA/CARSTEN REHDER.